Overview
The TLV5626CDRG4, produced by Texas Instruments, is a 2.7-V to 5.5-V low-power dual 8-bit digital-to-analog converter (DAC) with an internal reference and power-down capability. This device is designed for single supply operation and features a flexible 3-wire serial interface compatible with TMS320 and SPI, QSPI, and Microwire serial ports. The TLV5626CDRG4 is implemented using a CMOS process and is available in an 8-pin SOIC package, making it suitable for reducing board space in various applications.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VDD to AGND) | 2.7 | 5.5 | V | |
| Reference Input Voltage Range | -0.3 | VDD + 0.3 | V | |
| Digital Input Voltage Range | -0.3 | VDD + 0.3 | V | |
| Operating Free-Air Temperature (TLV5626C) | 0 | 70 | °C | |
| Operating Free-Air Temperature (TLV5626I) | -40 | 85 | °C | |
| Power Supply Current (VDD = 5 V, Fast Mode, Int. Ref.) | 4.2 | 7 | mA | |
| Power Supply Current (VDD = 3 V, Fast Mode, Int. Ref.) | 3.7 | 6.3 | mA | |
| Settling Time (Fast Mode) | 0.8 | µs | ||
| Settling Time (Slow Mode) | 2.8 | µs | ||
| Reference Voltage (Internal, Low) | 1.003 | 1.024 | 1.045 | V |
| Reference Voltage (Internal, High) | 2.027 | 2.048 | 2.069 | V |
| Output Source Current (Reference) | 1 | mA | ||
| Output Sink Current (Reference) | -1 | mA | ||
| Load Capacitance | 100 | pF | ||
| Clock Frequency | 20 | MHz |
Key Features
- Dual 8-bit voltage output DAC with a flexible 3-wire serial interface compatible with TMS320, SPI, QSPI, and Microwire serial ports.
- Programmable internal reference with options for 1.024 V and 2.048 V.
- Programmable settling time: 0.8 µs in Fast Mode and 2.8 µs in Slow Mode.
- Class AB output stage for improved stability and reduced settling time.
- On-chip precision voltage reference that can source up to 1 mA, suitable for use as a system reference.
- Differential nonlinearity < 0.1 LSB (typical) and monotonic over temperature.
- Low power consumption with power-down capability.
- Available in 8-pin SOIC package for reduced board space.
Applications
- Digital servo control loops.
- Digital offset and gain adjustment.
- Industrial process control.
- Machine and motion control devices.
- Mass storage devices.
Q & A
- What is the voltage range for the TLV5626CDRG4?
The TLV5626CDRG4 operates from a supply voltage range of 2.7 V to 5.5 V.
- What is the resolution of the DACs in the TLV5626CDRG4?
The TLV5626CDRG4 features dual 8-bit DACs.
- What are the available internal reference voltages for the TLV5626CDRG4?
The internal reference voltages available are 1.024 V and 2.048 V.
- What are the settling times for the Fast and Slow modes of the TLV5626CDRG4?
The settling times are 0.8 µs for Fast Mode and 2.8 µs for Slow Mode.
- Is the TLV5626CDRG4 compatible with SPI and other serial interfaces?
Yes, it is compatible with TMS320, SPI, QSPI, and Microwire serial ports.
- What is the maximum clock frequency for the serial interface of the TLV5626CDRG4?
The maximum serial clock frequency is 20 MHz.
- What is the power consumption of the TLV5626CDRG4 in Fast Mode with internal reference?
The power supply current in Fast Mode with internal reference is typically 4.2 mA to 7 mA at VDD = 5 V.
- Can the TLV5626CDRG4 be used as a system reference?
Yes, the on-chip precision voltage reference can source up to 1 mA, making it suitable for use as a system reference.
- What are the operating temperature ranges for the TLV5626CDRG4?
The operating temperature ranges are 0°C to 70°C for the TLV5626C and -40°C to 85°C for the TLV5626I.
- In what package is the TLV5626CDRG4 available?
The TLV5626CDRG4 is available in an 8-pin SOIC package.
